|
US2155977A
|
|
Stripping machine
|
|
US2158011A
|
|
Bead-forming machine
|
|
US2145057A
|
|
Pessary
|
|
US2067642A
|
|
Stripping machine
|
|
US2067641A
|
|
Bead forming machine
|
|
US1808148A
|
|
Nursing nipple
|
|
US1470884A
|
|
Compact carrier
|
|
US1457798A
|
|
Powder puff
|
|
US1396075A
|
|
Process for producing imitations of galalith, celluloid, and the like
|
|
US915638A
|
|
Manufacture of parchment-like skin.
|
|
CA899747A
|
|
Intra-uterine devices and methods
|
|
CA426564A
|
|
Wrapper for tubular rubber goods
|
|
CA513336A
|
|
Spermicidal compositions
|
|
CA228131A
|
|
Production of galalith
|
|
CA893091A
|
|
Macrolide composition, method of preparation and use
|
|
CA513335A
|
|
Contraceptive compositions
|
|
CA884454A
|
|
Intra-uterine devices and methods
|
|
CA426404A
|
|
Stamping and printing means for rubber goods
|
|
CA409702A
|
|
Dielectric film testing apparatus
|
|
CA426403A
|
|
Bead forming and printing device
|
